include/instrumentation/events/lttng-module/arch/x86/kvm/mmutrace.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #if !defined(LTTNG_TRACE_KVM_MMU_H) || defined(TRACE_HEADER_MULTI_READ)
   3 #define LTTNG_TRACE_KVM_MMU_H
   4
   5 #include <lttng/lttng-tracepoint-event.h>
   6
   7 #include <linux/trace_events.h>
   8
   9 #undef TRACE_SYSTEM
  10 #define TRACE_SYSTEM kvm_mmu
  11
  12 #define LTTNG_KVM_MMU_PAGE_FIELDS \
  13         ctf_integer(__u64, gfn, (sp)->gfn) \
  14         ctf_integer(__u32, role, (sp)->role.word) \
  15         ctf_integer(__u32, root_count, (sp)->root_count) \
  16         ctf_integer(bool, unsync, (sp)->unsync)
  17
  18 /*
  19  * A pagetable walk has started
  20  */
  21 LTTNG_TRACEPOINT_EVENT(
  22         kvm_mmu_pagetable_walk,
  23         TP_PROTO(u64 addr, u32 pferr),
  24         TP_ARGS(addr, pferr),
  25
  26         TP_FIELDS(
  27                 ctf_integer_hex(__u64, addr, addr)
  28                 ctf_integer(__u32, pferr, pferr)
  29         )
  30 )
  31
  32 /* We just walked a paging element */
  33 LTTNG_TRACEPOINT_EVENT(
  34         kvm_mmu_paging_element,
  35         TP_PROTO(u64 pte, int level),
  36         TP_ARGS(pte, level),
  37
  38         TP_FIELDS(
  39                 ctf_integer(__u64, pte, pte)
  40                 ctf_integer(__u32, level, level)
  41         )
  42 )
  43
  44 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class,
  45
  46         TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
  47
  48         TP_ARGS(table_gfn, index, size),
  49
  50         TP_FIELDS(
  51                 ctf_integer(__u64, gpa,
  52                         ((u64)table_gfn << PAGE_SHIFT) + index * size)
  53         )
  54 )
  55
  56 /* We set a pte accessed bit */
  57 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_accessed_bit,
  58
  59         TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
  60
  61         TP_ARGS(table_gfn, index, size)
  62 )
  63
  64 /* We set a pte dirty bit */
  65 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_dirty_bit,
  66
  67         TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
  68
  69         TP_ARGS(table_gfn, index, size)
  70 )
  71
  72 LTTNG_TRACEPOINT_EVENT(
  73         kvm_mmu_walker_error,
  74         TP_PROTO(u32 pferr),
  75         TP_ARGS(pferr),
  76
  77         TP_FIELDS(
  78                 ctf_integer(__u32, pferr, pferr)
  79         )
  80 )
  81
  82 LTTNG_TRACEPOINT_EVENT(
  83         kvm_mmu_get_page,
  84         TP_PROTO(struct kvm_mmu_page *sp, bool created),
  85         TP_ARGS(sp, created),
  86
  87         TP_FIELDS(
  88                 LTTNG_KVM_MMU_PAGE_FIELDS
  89                 ctf_integer(bool, created, created)
  90         )
  91 )
  92
  93 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class,
  94
  95         TP_PROTO(struct kvm_mmu_page *sp),
  96         TP_ARGS(sp),
  97
  98         TP_FIELDS(
  99                 LTTNG_KVM_MMU_PAGE_FIELDS
 100         )
 101 )
 102
 103 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_sync_page,
 104         TP_PROTO(struct kvm_mmu_page *sp),
 105
 106         TP_ARGS(sp)
 107 )
 108
 109 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_unsync_page,
 110         TP_PROTO(struct kvm_mmu_page *sp),
 111
 112         TP_ARGS(sp)
 113 )
 114
 115 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_prepare_zap_page,
 116         TP_PROTO(struct kvm_mmu_page *sp),
 117
 118         TP_ARGS(sp)
 119 )
 120
 121 LTTNG_TRACEPOINT_EVENT_MAP(
 122         mark_mmio_spte,
 123
 124         kvm_mmu_mark_mmio_spte,
 125
 126         TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen),
 127         TP_ARGS(sptep, gfn, access, gen),
 128
 129         TP_FIELDS(
 130                 ctf_integer_hex(void *, sptep, sptep)
 131                 ctf_integer(gfn_t, gfn, gfn)
 132                 ctf_integer(unsigned, access, access)
 133                 ctf_integer(unsigned int, gen, gen)
 134         )
 135 )
 136
 137 LTTNG_TRACEPOINT_EVENT_MAP(
 138         handle_mmio_page_fault,
 139
 140         kvm_mmu_handle_mmio_page_fault,
 141
 142         TP_PROTO(u64 addr, gfn_t gfn, unsigned access),
 143         TP_ARGS(addr, gfn, access),
 144
 145         TP_FIELDS(
 146                 ctf_integer_hex(u64, addr, addr)
 147                 ctf_integer(gfn_t, gfn, gfn)
 148                 ctf_integer(unsigned, access, access)
 149         )
 150 )
 151
 152 LTTNG_TRACEPOINT_EVENT_MAP(
 153         fast_page_fault,
 154
 155         kvm_mmu_fast_page_fault,
 156
 157         TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code,
 158                  u64 *sptep, u64 old_spte, bool retry),
 159         TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, retry),
 160
 161         TP_FIELDS(
 162                 ctf_integer(int, vcpu_id, vcpu->vcpu_id)
 163                 ctf_integer(gpa_t, cr2_or_gpa, cr2_or_gpa)
 164                 ctf_integer(u32, error_code, error_code)
 165                 ctf_integer_hex(u64 *, sptep, sptep)
 166                 ctf_integer(u64, old_spte, old_spte)
 167                 ctf_integer(u64, new_spte, *sptep)
 168                 ctf_integer(bool, retry, retry)
 169         )
 170 )
 171
 172 #endif /* LTTNG_TRACE_KVM_MMU_H */
 173
 174 #undef TRACE_INCLUDE_PATH
 175 #define TRACE_INCLUDE_PATH instrumentation/events/lttng-module/arch/x86/kvm
 176 #undef TRACE_INCLUDE_FILE
 177 #define TRACE_INCLUDE_FILE mmutrace
 178
 179 /* This part must be outside protection */
 180 #include <lttng/define_trace.h>